利用上界法推导了冷拔内螺旋凸筋管拔制力计算式。
The formulas of drawing force for spiral internal-ribbed pipe cold-drawing are derived with upperbound method.
应用上界法推导了一组可确定异步轧制时的中性角、轧制力矩和打滑条件的方程。
A set of equations determining the neutral Angle, rolling torque and the slip condition in asynchronous rolling are derived by upper bound method.
在双严格占优矩阵条件下,给出了相容矩阵范数的一个上界,并以此为基础,得到了线性方程组求解时的AOR迭代法的误差估计式。
A upper bound with consistent matrix norm and the estimate for error of AOR iterative method for solving linear equation system, which based on the doubly diagonal dominance, are presented.
对运量有上界的转运问题进行研究,给出了求解此类问题的两种求解算法:表上作业法和最小费用最大流法。
Two methods of the minimum expenses and maximum flux and the table dispatching method to the rotating-transporting problem with a transport amounts upper bound were given.
采用剪切法构造所有可能的排样方式,详细叙述确定上界与下界的方法。
All possible normal cutting patterns are configured systematically by a cutting method. The methods to obtain upper and lower bounds are described in detail.
采用剪切法构造所有可能的排样方式,详细叙述确定上界与下界的方法。
All possible normal cutting patterns are configured systematically by a cutting method. The methods to obtain upper and lower bounds are described in detail.
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